import { reqCartList, reqDeleteCartById, reqUpdateCheckedById } from "@/api";

const state = {
    cartList: []
};

const actions = {
    //获取购物车列表的数据
    async getCartList({ commit }) {
        let result = await reqCartList()
        if (result.code == 200) {
            commit('GETCARTLIST', result.data)
        }
    },
    //删除购物车某产品
    async deleteCartListBySkuId({ commit }, skuId) {
        let result = await reqDeleteCartById(skuId)
        if (result.code == 200) { return 'ok' }
        else { return Promise.reject(new Error('fail')) }
    },
    //修改购物车某一个产品的选中状态
    async updateCheckedById({ commit }, { skuId, isChecked }) {
        let result = await reqUpdateCheckedById(skuId, isChecked)
        if (result.code == 200) {
            return 'ok'
        } else {
            return Promise.reject(new Error('fail'))
        }
    },
    //修改全部商品的选中状态
    updateAllCartIsChecked({ dispatch, state }, isChecked) {
        let promiseAll = []
        state.cartList[0].cartInfoList.forEach(item => {
            let Promise = dispatch('updateCheckedById', { skuId: item.skuId, isChecked })
            promiseAll.push(Promise)
        });
        //最终返回的结果
        return Promise.all(promiseAll)
    }
};

const mutations = {
    GETCARTLIST(state, cartList) {
        state.cartList = cartList
    }
};

const getters = {
    cartList(state) {
        return state.cartList[0] || {}
    },
};

export default {
    state, mutations, actions, getters
}